湖北省襄阳市第四十七中学九年级英语《Unit9Wherewasitin》教学案1人教新目标版教学目标学习一般过去时的被动语态和特殊疑问句。教学重点一般过去时态的被动语态。教学难点一般过去时态的被动语态。课时安排1教具准备录音机教法自主学习学习过程自主空间[自主学习]将下列短语或句子翻译成英语1.被用于做某事2.电动拖鞋___________3.改变鞋的样式5.舀冷的冰激凌——5.汽车被发明与1885年6.小刀是用来割东西的______________________.[课前探究]Discuss:Howmanyinventionsdoyouknow?_______________________________________________________.[课堂导学]1．Discussthepicturesin1a.Makecoversationslikethis:Ithinkthecalculatorwasinventedbeforethecomputer.2．Discussthepicturesin1bbyasking：Whatcanyouseeinthepictures?Thenlistento1bandmatchtheinventionswiththedates.3.Listento1bagainandfillintheblanks.The___________wasinventedin1876.Carsweren’tinventedyet.TheTVwasinvented________1927.Welearnedinschoolthathandheld_______________wereinventedin1971and______________computerswereinventedin1976.4.Listentotheconversationsandfinish2a/2b.5.Pairwork.Nowmakeupanewconversationlikethis:When/Who…by/What…usedfor?[词句理解]1.被动语态的时态:被动语态的时态通过be的变化来体现，它必须与主语的人称、数一致。以下是几种常用的被动语态:(1)一般现在时的被动语态:am/is/are+动词的过去分词。Eg：Thisbookintwolanguages.这本书是用两种语言写的.(2)现在进行时的被动语态:am/is/are+being+动词的过去分词。Eg:Aschoolisbytheworkersnow.工人们正在建一所学校.(3)一般将来时的被动语态:will/begoingto+be+动词的过去分词.Eg:Theprojectwillnextmonth.这项工程下个月就完工.(4)现在完成时的被动语态:have/has+been+动词的过去分词.Eg:Myhomework.我的作业以完成了.(5)一般过去时的被动语态:was/were+动词的过去分词.Eg:Theclassroomthreedaysago.教室是三天前被打扫的.(6)含有情态动词的被动语态:情态动词+be+动词的过去分词.Theclassroomeveryday.教室应该每天都被打扫.2.It’susedforscoopingreallycoldicecream.它用来舀非常凉的冰激凌．beusedfor意为“被用来做……”,for表用途,后跟名词或动名词.拓展:beusedas意为“被用作……”,as表“作为”，后跟名词;beusedtodo意为“被用来做……”,强调动作;beusedby意为“被……使用”,by后跟动作的执行者;beusedtodoing意为“习惯做某事”to为介词,后跟名词、代词或doing;usedtodo“过去常常干某事”。用as,for,to,by填空。（1）Thestoneissobigthatitcanbeused______adesk.(2)E-mailEnglishisused________manyyoungpeople.(3)Windcanbeused_________produceelectricity.(4)Theknifecanbeused________cuttingthings.(5)Manyoldpeopleareused________gettingup.（6）Thereused______beaschoolhereinthepast.3.inventv.“发明”；inventionn.“发明物”;inventor“发明家”。填填：Edisonisregardedasagreat_____________,he____________over1000_______________allhislife.[课堂检测]一．根据句意及提示完成句子。1.Woodcan________________________(被用于)makingpaper.2.Couldyoupleaseshowmehowtoo________thenewmachine?3.Thebookwas____________________(write)byLuXun.4.Thedoctorwas___________________________(给小女孩做手术).5.Thetelephone_____________________________(发明)in1876二．单选()1.--Lookatthesignontheright.--Oh,smoking____here.A.doesn’tallowB.isn’tallowedC.didn’tallowD.wasn’tallowed()2.--Willyoucometothedinnerparty?--Iwon’tcomeunlessJim______.A.can’tbeinvitedB.wasinvitedC.willbeinvitedD.isinvited()3.MostofriceinChinaintheSouth。A．aregrownB．isgrownC．growD．grown()4．---Linda,youonthephone.---I’mcoming,thankyou.A．wantB．arewantedC．havewantedD．wanted()6．Inthemodernworld,carsaremoreandmorewidelyinpeople’slives.A．useB．usingC．usedD．touse教学反思：
